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Thermographic Study Of Transient Heat-Flow In Residential Dwellings
Much is unknown about the in-situ thermal behavior of buildings under transient conditions. Heat-flow meters and infrared scanners both have many uses in the area of qualitative and quantitative analysis of thermal performance of buildings when steady-state thermal conditions can be assumed. As will be shown in this paper, however, much is still unknown about them to correctly predict when reliable data can be col-lected to make a valid quantitative analysis that can be used, e. g. for accurate in-situ 11-value calculations. Combining heat-flow meters and infrared scanners may avoid some of the complexities of a quantitative analysis. However, further studies are needed to improve the accuracy of such measurements. A continuous 24-hour infrared scan of a residential dwelling showed, however, that a qualitative analysis may be possible to a certain extent, even during expressively transient conditions. It is recouliended that further in-situ studies be made in various constructions during extended periods to gain more knouledge in this very exciting subject. Responsible for the actual field test were R. H. Alnis, J. Casey, S. Marshall and J. Wood. The data-reduction and interpretation has been provided by Dag Holmsten, who is solely responsible for opinions expressed in the paper.
Thermographic Study Of Transient Heat-Flow In Residential Dwellings
Much is unknown about the in-situ thermal behavior of buildings under transient conditions. Heat-flow meters and infrared scanners both have many uses in the area of qualitative and quantitative analysis of thermal performance of buildings when steady-state thermal conditions can be assumed. As will be shown in this paper, however, much is still unknown about them to correctly predict when reliable data can be col-lected to make a valid quantitative analysis that can be used, e. g. for accurate in-situ 11-value calculations. Combining heat-flow meters and infrared scanners may avoid some of the complexities of a quantitative analysis. However, further studies are needed to improve the accuracy of such measurements. A continuous 24-hour infrared scan of a residential dwelling showed, however, that a qualitative analysis may be possible to a certain extent, even during expressively transient conditions. It is recouliended that further in-situ studies be made in various constructions during extended periods to gain more knouledge in this very exciting subject. Responsible for the actual field test were R. H. Alnis, J. Casey, S. Marshall and J. Wood. The data-reduction and interpretation has been provided by Dag Holmsten, who is solely responsible for opinions expressed in the paper.
Thermographic Study Of Transient Heat-Flow In Residential Dwellings
Holmsten, Dag (author)
Thermal Infrared Sensing Applied to Energy Conservation in Building Envelopes: Thermosense III ; 1980 ; Minneapolis,United States
Proc. SPIE ; 0254
1981-01-27
Conference paper
Electronic Resource
English
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